期刊
EARTH PLANETS AND SPACE
卷 57, 期 12, 页码 E13-E16出版社
SPRINGEROPEN
DOI: 10.1186/BF03351858
关键词
age; angrites; Mn-Cr dating; SIMS
Mn-Cr chronology of four quenched angrites showed that they formed nearly at the same time (4562 Ma) on the surface of the parent-body. Based on the chemical compositions, the cosmic ray exposure ages, and considerations on the thermal history of an achondrite parent-body, we suggest that the four angrites formed on top of a shallow magma ocean on the angrite parent body.
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